USS Patrol No. 7 (SP-31), often rendered as USS Patrol #7, was an armed motorboat that served in the United States Navy as a patrol vessel from 1917 to 1919.Patrol No. 7 was built as a private motorboat in 1916 by Frederick S. Nock at East Greenwich, Rhode Island. The U.S. Navy purchased her from J. Phillip Hart of Marion, Massachusetts on 1 May 1917 and commissioned her for service in World War I as USS Patrol No. 7 (SP-31) on 19 May 1917.Patrol No.
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